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Combinatorics Difficulty 2.0 Junior Find the answer United Kingdom

Ali said Dele ate the cake. Dele said Billi ate the cake. Billi said Callie ate the cake. Callie said she didn't eat the cake and Eddie said that he did. I know Ali didn't eat the cake, that one of the others did and that only one of them is telling the truth. Who ate the cake?

(A) Ali (B) Billi (C) Callie (D) Dele (E) Eddie

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